Thank you, "-1" was a problem

Thanks for answer. I have more than 1 server with 1500-2000 databases on each server. Customer wants to build "cluster" and have a "backup" server ready for use. Because of quantity, i dont think...

Thanks, I'll use for ROWCOUNT because of too compicatied SP text

No, is it happening not regulary. Is it possible because of different collates of tempdb and customer databases? Or query which is gathering data from two databases with different collates?

"Windows Application Application Log" not exists in Windows. The property name is "Windows Event Viewer". On Event Viewer, users can monitor events recorded in the Application, Security, and...